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- How is the MnO4- ion different from the Cu2+ metal ion in regards to UV-Vis?1.A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm. What is the energy absorbed by the compound at the maximum of the peak? Note that hc=1.98644586×10−25J*m. Report your answer in KJ/mole to the correct number of significant figures. Do not include the units in your answer 2.In general, we want to have absortions less than or equal to 1. What percentage of the incident light is transmitted when absorption is 1? Report your answer to the nearest whole number. 3.An ethanol solution of 3.5 mg/100 ml of compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an absorbance (A) of 0.972 at λmax=235 nm. What is its molar extinction coefficient? Report your answer to the correct number of significant figures.A device to understand how iron behaves at high temperatureswe want to design. This device (with 1% accuracy) allows the change in volume (heating) of a 1cm 3 iron cube.the resulting polymorphic transformation) must be able to feel. HMK structure in iron 911 0 C and latticeparameter 0.2863 nm. At 913 0 C, it has YMK structure and its lattice parameter is 0.3591 nm. Of measuring instrumentDetermine the accuracy tolerance it needs (i.e. at least how many cm 3 to detect a changemust). It is necessary to use at least 6 digits after the comma in this question. Hint: YMK first andFor HMK, the volume of an atom is found and then, using the number of atoms in each structure, the ironThe question can be started by finding the different volumes.
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- A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm. What is the energy absorbed by the compound at the maximum of the peak? Note that hc=1.98644586×10−25J*m. Report your answer in KJ/mole to the correct number of significant figures. Do not include the units in your answer. Please write out steps, will rate. Thank you.Would a component with a larger Rf value have a higher or lower affinity for the mobile phase compared to a component with a smaller Rf value? Explain, using specific color spots from your data.Discuss the reasons for the differences in glass transition temperature for the following pairs of polymers. Hint: check factors that affect Tg Poly(ethyl acrylate) (-24°C) and Poly(methyl methacrylate) (105°C)
- A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm. What is the energy absorbed by the compound at the maximum of the peak? Note that hc=1.98644586×10−25J*m. Report your answer in KJ/mole to the correct number of significant figures. Do not include the units in your answer.Describe the following scanning electron microscopy of powder micrographs of CoConsider the mineral dissolution reactions below: FeSmackinawite -> Fe2+ + S2- CuScovellite -> Cu2+ + S2- ZnSsphalerite -> Zn2+ + S2- Calculate the DG°r for each reaction, and then calculate the Ksp for each sulfide phase.